Airtel 4G LTE is one of the fastest mobile data available in India. it has high reach to its customers all across India. it provides high speed data at reasonable rates. It is recommended to keep switching between 3g and 4g network because 4g network eats up data very quickly as it is providing you fast connectivity every second of your usage. There is no signal problem in any areas. When there is low signal in 3g switch to 4g and it will definitely give you high signals.